<ProgressBar x:Name="Mcdon" Maximum="100" Minimum="0" Value="20"
   VerticalAlignment="Stretch"></ProgressBar>
 <TextBlock x:Name="scrohn" Text="100/100"
   VerticalAlignment="Center">
  <TextBlock.RenderTransform>
  <TranslateTransform X="0"></TranslateTransform>
  </TextBlock.RenderTransform>
 </TextBlock>

 /// <summary>
 /// 标识 <see cref="Maximum" /> 的依赖项属性。
 /// </summary>
 public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
  "Maximum", typeof(double), typeof(Marquez), new PropertyMetadata(100d, (s, e) =>
  {
  var t = s as Marquez;
  if (t == null)
  {
   return;
  }
  Scrhrentran(t.scrohn, t.ActualWidth, t.Value, (double) e.NewValue, t.Mcdon);
  }));
 /// <summary>
 /// 标识 <see cref="Minimum" /> 的依赖项属性。
 /// </summary>
 public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
  "Minimum", typeof(double), typeof(Marquez), new PropertyMetadata(default(double)));
 /// <summary>
 /// 标识 <see cref="Value" /> 的依赖项属性。
 /// </summary>
 public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
  "Value", typeof(double), typeof(Marquez), new PropertyMetadata(20d, (s, e) =>
  {
  var t = s as Marquez;
  if (t == null)
  {
   return;
  }
  Scrhrentran(t.scrohn, t.ActualWidth, (double) e.NewValue, t.Maximum, t.Mcdon);
  }));
 /// <summary>
 /// 获取或设置
 /// </summary>
 public double Value
 {
  get { return (double) GetValue(ValueProperty); }
  set { SetValue(ValueProperty, value); }
 }
 /// <summary>
 /// 获取或设置最小值
 /// </summary>
 public double Minimum
 {
  get { return (double) GetValue(MinimumProperty); }
  set { SetValue(MinimumProperty, value); }
 }
 /// <summary>
 /// 获取或设置最大值
 /// </summary>
 public double Maximum
 {
  get { return (double) GetValue(MaximumProperty); }
  set { SetValue(MaximumProperty, value); }
 }

 private static void Scrhrentran(TextBlock scrohn, double w, double v, double t, ProgressBar mcdon)
  {
   mcdon.Value = v;
   mcdon.Maximum = t;
  }

/// <summary>
 /// 标识 Minimum 的依赖项属性。
 /// </summary>
 public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
  "Minimum", typeof(double), typeof(Marquez), new PropertyMetadata(default(double)));
  /// <summary>
 /// 获取或设置最小值
 /// </summary>
 public double Minimum
 {
  get { return (double) GetValue(MinimumProperty); }
  set { SetValue(MinimumProperty, value); }
 }

 public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
  "Minimum", typeof(double), typeof(Marquez), new PropertyMetadata(default(double), (s, e) =>
  {
  } ));

 scrohn.Text = v.ToString("F") + "/" + t.ToString("F");

 var sc = scrohn.RenderTransform as TranslateTransform;

 sc.X = w / 2 * v / t - scrohn.ActualWidth / 2;
  if (sc.X < 0)
  {
   sc.X = 0;
  }